package com.interaction.qualitytimeaiagent.rag;

import org.springframework.ai.chat.client.ChatClient;
import org.springframework.ai.chat.model.ChatModel;
import org.springframework.ai.rag.Query;
import org.springframework.ai.rag.preretrieval.query.transformation.QueryTransformer;
import org.springframework.ai.rag.preretrieval.query.transformation.RewriteQueryTransformer;
import org.springframework.stereotype.Component;

/**
 * 查询重写器
 */
@Component
public class QueryRewriter {

    private final QueryTransformer queryTransformer;
    public QueryRewriter(ChatModel dashScopeChatModel){
        ChatClient.Builder builder = ChatClient.builder(dashScopeChatModel);
        queryTransformer = RewriteQueryTransformer.builder().chatClientBuilder(builder).build();

    }

    /**
     * 执行查询重写
     * @param prompt
     * @return
     */
    public String doQueryRewrite(String prompt){
        Query query = new Query(prompt);
        Query transform = queryTransformer.transform(query);
        return transform.text();
    }
}
